Following her performance at Philly's Lincoln Financial Field last Friday (June 19), Swift enjoyed a late-night meal at the nearby Ralph's Italian Restaurant with a large group that included tourmates Ed Sheeran and Austin Mahone, as well as 18 members of her Red Tour crew. (The pic above, which Taylor tweeted out as thanks for the trek's MTV VMA nominations, was actually taken while dining at Ralph's.)

When the meal was over in the wee hours of the next morning, Swift generously picked up the $800 tab for the entire party and left the hefty gratuity.

Ralph's manager Ron Trombino confirms that the superstar was definitely no diva. “Taylor was very, very nice,” he says. “The whole group ordered off the menu, whatever they wanted. Taylor had chicken parmesan.”

“It was a very nice experience, very easy,” he adds. “Taylor was really very down to earth.”

The restaurant's staff shared the picture below of Swift, Sheeran and Mahone on Facebook with the following praise for Swift: "From her graciousness upon arrival for us staying open, to the extremely generous tip before leaving, she was a pleasure to have dine with us! Probably the biggest celebrity to visit Ralph's in recent memory!" Sounds like Tay's got some new fans!

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In case you're wondering: While the standard restaurant gratuity is 15-20 percent, Taylor's tip was a whopping 62.5 percent! Somehow we doubt she'll have any trouble getting great service wherever she dines.